THE FRACTURE TOUGHNESS OF PS AND RUBBER TOUGHENED PS

Lu Xi-ci; Sun Quan-shen; Qian Ru-zhen; Liu Rong-jin; LI Lan

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THE FRACTURE TOUGHNESS OF PS AND RUBBER TOUGHENED PS

Research Article | 更新时间：2021-03-19

- THE FRACTURE TOUGHNESS OF PS AND RUBBER TOUGHENED PS
- Acta Polymerica Sinica Issue 4, Pages: 253-258(1984)
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- Published：20 August 1984，
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Lu Xi-ci, Sun Quan-shen, Qian Ru-zhen, Liu Rong-jin, LI Lan. THE FRACTURE TOUGHNESS OF PS AND RUBBER TOUGHENED PS. [J]. Acta Polymerica Sinica (4):253-258(1984)
DOI：

Lu Xi-ci, Sun Quan-shen, Qian Ru-zhen, Liu Rong-jin, LI Lan. THE FRACTURE TOUGHNESS OF PS AND RUBBER TOUGHENED PS. [J]. Acta Polymerica Sinica (4):253-258(1984) DOI：

摘要

用单边缺口法测定了聚苯乙烯(PS)和两种橡胶增韧PS(HIPS-A

10％橡胶

机械共混;HIPS-B

6.5％橡胶

接技共聚)裂纹在亚临界和失稳扩展时的断裂韧性Kc(s)、Kc(f)。实验结果表明

在限制裂纹尺寸范围之后

可用一般单边缺口拉伸方法测定橡胶增韧塑料HIPS的断裂韧性。

Abstract

The Kc(s) and K

(f) values

the fracture toughness of subcritical and unstable crack propagation

of PS and two types of HIPS (HIPS-A

a blend of PS with 10% rubber; HIPS-B

graft polymer of styrene with 6.5% rubber) were determined by using single edge notched samples. The experimental results showed that after limiting the crack length to a narrow range

the linear elastic fracture mechanics may be used to determine the Kc value of HIPS.

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